Speaker diameter: 40mm
Impedance: 32 ohms
Sensitivity: 102dB, S.P.L. at 1kHz
Frequency response: 20Hz-20,000Hz                                                            Maximum input power:100mW
PVC  Cord length:2m
Plugs type: 3.5mm stereo;                           Mute, Mic.on/off , volume control on cable                                         Drivers : High-definition Neodymium Drivers